public class PKCS12ParametersGenerator extends PBEParametersGenerator
The document this implementation is based on can be found at RSA's PKCS12 Page
Modifier and Type | Field and Description |
---|---|
private Digest |
digest |
static int |
IV_MATERIAL |
static int |
KEY_MATERIAL |
static int |
MAC_MATERIAL |
private int |
u |
private int |
v |
iterationCount, password, salt
Constructor and Description |
---|
PKCS12ParametersGenerator(Digest digest)
Construct a PKCS 12 Parameters generator.
|
Modifier and Type | Method and Description |
---|---|
private void |
adjust(byte[] a,
int aOff,
byte[] b)
add a + b + 1, returning the result in a.
|
private byte[] |
generateDerivedKey(int idByte,
int n)
generation of a derived key ala PKCS12 V1.0.
|
CipherParameters |
generateDerivedMacParameters(int keySize)
Generate a key parameter for use with a MAC derived from the password,
salt, and iteration count we are currently initialised with.
|
CipherParameters |
generateDerivedParameters(int keySize)
Generate a key parameter derived from the password, salt, and iteration
count we are currently initialised with.
|
CipherParameters |
generateDerivedParameters(int keySize,
int ivSize)
Generate a key with initialisation vector parameter derived from
the password, salt, and iteration count we are currently initialised
with.
|
getIterationCount, getPassword, getSalt, init, PKCS12PasswordToBytes, PKCS5PasswordToBytes, PKCS5PasswordToUTF8Bytes
public static final int KEY_MATERIAL
public static final int IV_MATERIAL
public static final int MAC_MATERIAL
private Digest digest
private int u
private int v
public PKCS12ParametersGenerator(Digest digest)
digest
- the digest to be used as the source of derived keys.java.lang.IllegalArgumentException
- if an unknown digest is passed in.private void adjust(byte[] a, int aOff, byte[] b)
private byte[] generateDerivedKey(int idByte, int n)
public CipherParameters generateDerivedParameters(int keySize)
generateDerivedParameters
in class PBEParametersGenerator
keySize
- the size of the key we want (in bits)public CipherParameters generateDerivedParameters(int keySize, int ivSize)
generateDerivedParameters
in class PBEParametersGenerator
keySize
- the size of the key we want (in bits)ivSize
- the size of the iv we want (in bits)public CipherParameters generateDerivedMacParameters(int keySize)
generateDerivedMacParameters
in class PBEParametersGenerator
keySize
- the size of the key we want (in bits)